1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
erma4kov [3.2K]
3 years ago
13

Assume that plant weight is determined by a pair of alleles at each of two independently assorting loci (A and a, B and b) that

are additive in their effects. Further assume that each allele represented by an uppercase letter contributes 4 g to weight and that each allele represented by a lowercase letter contributes 1 g to weight. If a plant with genotype AA BB is crossed with a plant with genotype aa bb, what weights are expected in the F, progeny?
a.1g
b. 4g
c. 8g
d. 10g
e. 16g
Biology
1 answer:
shepuryov [24]3 years ago
7 0

Answer:

10g

Explanation:

A cross between genotype AA BB is crossed with a plant with genotype aa bb will produce

Parent genotype:AABB x aabb

Gametes: AB x ab

F1 generation - AaBb

Since an uppercase letter contributes 4 g to weight and each allele represented by a lowercase letter contributes 1 g to weight.

Thus, 4+1 + 4 + 1 = 10g

You might be interested in
Why is photosynthesis essential for plant homeostasis?
REY [17]

Answer:

it makes food for the plant

6 0
3 years ago
Read 2 more answers
Science moon how is causes the seasons
ikadub [295]

Answer:

from top to bottom

Explanation:

North pole, northern hemisphere, equator, southern hemisphere, south pole.

5 0
3 years ago
Read 2 more answers
In the united states, which drug-resistant lung infection is increasing in frequency due to homelessness and other diseases?
BartSMP [9]

In the united states, tuberculosis is increasing in frequency due to homelessness and other diseases.

Tuberculosis (TB) is a bacterial infection spread through inhaling tiny droplets from the coughs or sneezes of an infected person. It mainly affects the lungs, but it can affect any part of the body, including the tummy (abdomen), glands, bones and nervous system.

TB is a potentially serious condition, but it can be cured if it's treated with the right antibiotics.

Typical symptoms of TB include:

  • a persistent cough that lasts more than 3 weeks and usually brings up phlegm, which may be bloody
  • weight loss
  • night sweats
  • high temperature
  • tiredness and fatigue
  • loss of appetite
  • swellings in the neck

TB that affects the lungs (pulmonary TB) is the most contagious type, but it usually only spreads after prolonged exposure to someone with the illness. In most healthy people, the body's natural defence against infection and illness (the immune system) kills the bacteria and there are no symptoms.

Sometimes the immune system cannot kill the bacteria, but manages to prevent it spreading in the body. You will not have any symptoms, but the bacteria will remain in your body. This is known as latent TB. People with latent TB are not infectious to others.

If the immune system fails to kill or contain the infection, it can spread within the lungs or other parts of the body and symptoms will develop within a few weeks or months. This is known as active TB.

Learn more about tuberculosis here : brainly.com/question/18173152

#SPJ4

4 0
2 years ago
In order for a polar compound to enter into the hydrophobic space of the phospholipid tails, it would need to break the many ___
Georgia [21]

Answer:

In order for a polar compound to enter into the hydrophobic space of the phospholipid tails, it would need to break the many <u>polar covalent bonds</u> bonds it has formed with the water and enter into a space where these bonds cannot form. Therefore, it is not a repelling action but a "lack of attraction".

Explanation:

<u>Water as polar solvent and the phospholipids:</u>

Water is very different on the molecular and that is due to the more polar nature, which is caused by the hydrogen bonding with in a H₂0 molecule. As the water molecules forms bonds with the other molecules in a specific formation of unequal polarities on its molecules. As the molecules have an unequal amount of charges present on it. For, the phospholipids they have two hydrophobic tails and the hydrophilic head. Through which they form most of the cell membrane structures.

In order to add any polar molecule to the hydrophilic head of the phospholipid there are many covalent bonds which are required to be broken, as these bonds include the covalent bonds found inside the molecular level. While, the hydrophobic tails of the molecules can't arrange themselves to form the bonds with the polar molecules more frequently.

6 0
4 years ago
A solution with higher pH levels is more
Sedaia [141]
A solution with higher pH levels is more basic. That is because 7 is neutral. Higher than 7 is basic, and lower than 7 is acidic.

Final answer: basic
7 0
3 years ago
Other questions:
  • The oppossing surfaces of bones that are connected via synovial joints are covered with a thin layer of _____
    14·1 answer
  • What effect does oxytocin have on the body
    7·1 answer
  • If cells in the process of dividing are subjected to colchicine, a drug that interferes with the formation of the spindle appara
    12·1 answer
  • The DNA bases are attached to the phosphate part of the structure. <br><br> True/ False
    9·2 answers
  • Explain the concept of survival of the fittest
    7·2 answers
  • How does the frogs vestigial thumb help survival?
    9·1 answer
  • Photosynthesis has oxygen as a waste product. what is the waste product during cellular respiration
    13·1 answer
  • Why can mRNA leave the nucleus, but
    14·2 answers
  • How do C4 plants ensure photosynthetic efficiency?​
    6·1 answer
  • YES NO (c 10. Can a mother with type B blood have a child with type A blood? Explain. In​
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!